H&R 60mm ID Single Race Spring | Length 250mm | Spring Rate 70 N/mm or 400 lbs/inchInside Diameter: 60mm ID Length: 250mm Spring Rate: 70 N mm or 400 lbs inch H&R was founded by Werner Heine and Heinz Remmen in the 1970's with a simple idea in mind; with improved suspension, vehicles would have more control and better handling.

Outer Spring ID: 16

(5 Vane/Blade Impeller)

and aggressive sound

2001 - 2002 Z3 ALL ALL 2

Thanks to the 0

Neuspeed has designed

that combines our existing full replacement solenoid controlled recirculating valve with our blow-off valve adapter

or adapters are necessary for installation

And when you're ready to change things up the JB4 is not VIN locked and can be moved to your next vehicle or resold

IMPORTANT: These spacers can ONLY be used with OEM or Aftermarket wheels with a hub size larger than or equal to 66

The JB4 Beta can also be stacked over a flash tune allowing for fine tuning as well as methanal control with safety measures in place and full logging

• 20mm wrist pin for use with factory or aftermarket 20mm pistons